Alow trough is indicative of
a serious depression.
the start of a depression.
a growing recession.
the end of a recession.

i think the answer is b.

in 1859, brown and 21 of his followers attacked and occupied the federal arsenal in harper's ferry. their goal was to capture supplies and use them to arm a slave rebellion. brown was captured during the raid and later hanged, but not before becoming an anti-slavery icon. abolitionist and insurrectionist

explanation: